Обсуждение: pgsql/src/backend/optimizer/path (indxpath.c)

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pgsql/src/backend/optimizer/path (indxpath.c)

От
Tom Lane
Дата:
  Date: Wednesday, July 26, 2000 @ 19:46:23
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/optimizer/path
     from hub.org:/home/projects/pgsql/tmp/cvs-serv79614

Modified Files:
    indxpath.c

-----------------------------  Log Message  -----------------------------

When dealing with OR-of-ANDs quals, extract multiple subclauses of an AND
to use with a multiple-key index.  Formerly we would only extract clauses
that had to do with the first key of the index, which was correct but
didn't exploit the index fully.